package com.powerManager.sdk.web;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.powerManager.sdk.common.ISecurityUser;
import com.powerManager.sdk.common.Security;

/**
 * Servlet Filter implementation class LoginFilter
 */
public class LoginFilter implements Filter {

    /**
     * Default constructor. 
     */
    public LoginFilter() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here
		HttpServletRequest r = (HttpServletRequest)request;
		HttpServletResponse res = (HttpServletResponse)response;
		Security su = (Security)r.getSession().getAttribute("securityUser");
		if(su == null){
			//请求路径
			String path = r.getPathInfo();
			path = path.replaceAll("!.*", "");
			System.out.println("login_path:"+path);
			if (path == null || !path.equals("/general")) {
				res.sendRedirect("/index.jsp");
				return;
			}
		}
		// pass the request along the filter chain
		chain.doFilter(request, response);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
